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ETA6937 - 12V/3A Switching Li+ Battery Charger and 5V/1A OTG

Datasheet Summary

Description

The ETA6937 is a new generation of highly integrated synchronous switchmode charger, featuring integrated FETs and small external components, targeted at extremely space-limited portable applications powered by 1-cell Li-Ion or Li-polymer battery pack.

Features

  • Up to 3A Max charging current Switching Charger 93% Charging Efficiency at 5V input 2A CC current 12V Input operating voltage 20V Maximum Input standoff voltage No External Sense resistor Integrate linear charger for accurate Iterm control Input DPPM Input current limiting Bad Adaptor detection No-Battery detection Safety limit register for Vcharge and Icharge limits Programmable charging parameters through I2C Status Output for charging and faults 5V OTG boost mode up to 1A output current Input.

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Datasheet Details

Part number ETA6937
Manufacturer ETA
File Size 1.06 MB
Description 12V/3A Switching Li+ Battery Charger and 5V/1A OTG
Datasheet download datasheet ETA6937 Datasheet
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Full PDF Text Transcription

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ETA6937 12V/3A Switching Li+Battery Charger and 5V/1A OTG with I2C Control DESCRIPTION The ETA6937 is a new generation of highly integrated synchronous switchmode charger, featuring integrated FETs and small external components, targeted at extremely space-limited portable applications powered by 1-cell Li-Ion or Li-polymer battery pack. Unlike previous generation of charging ICs (BQ2415X and FAN54015 etc.) that can barely deliver charge current up to 1.5A, thanks to ETA’s proprietary technology, ETA6937 packs a powerful punch and can delivery up to 3A of charge current, while still maintaining a small footprint of 2mmx1.6mm. ETA6937 has bi-directional operation to achieve boost function for USB OTG support.
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